#63BCE7#63BCE7

#63BCE7 is a light, moderate cyan. Relative luminance 0.444; OKLCH L 75.7% C 0.105 H 231.4°. Best body text is #000000 at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#63BCE7
RGB	rgb(99, 188, 231)
HSL	hsl(200, 73%, 65%)
HSV	hsv(200, 57%, 91%)
CMYK	cmyk(57.1%, 18.6%, 0%, 9.4%)
CIE-LAB	lab(72.49, -14.53, -29.53)
CIE-LCH	lch(72.49, 32.91, 243.80°)
OKLab	oklab(75.67% -0.0658 -0.0824)
OKLCH	oklch(75.67% 0.105 231.4)
XYZ	xyz(37.5471, 44.3851, 82.1743)
Luminance	0.4439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BCE7 #E78E63

analogous

#63E7D0 #63BCE7 #637AE7

triadic

#63BCE7 #E763BC #BCE763

tetradic

#63BCE7 #D063E7 #E78E63 #7AE763

square

#63BCE7 #D063E7 #E78E63 #7AE763

split-complementary

#63BCE7 #E7637A #E7D063

monochromatic

#1C82B4 #2EA5DF #63BCE7 #98D3EF #CDEAF7

Accessibility & contrast

On white

2.13

#63BCE7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.88

#63BCE7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCE7

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BCE7	#FFFFFF	#000000	##000000
##63BCE7	1.00	2.13	9.88	9.88
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.88	21.00	1.00	1.00
##000000	9.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7BAE9

Deuteranopia (green-blind)

#94ACE6

Tritanopia (blue-blind)

#00C8CA

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #63bce7;
/* rgb */ color: rgb(99, 188, 231);
/* oklch */ color: oklch(75.7% 0.105 231.4);

Tailwind

colors: {
  custom: {
    50: '#99d0ee',
    500: '#63bce7',
    950: '#000000',
  },
}

SCSS

$custom: #63bce7;
$custom-light: #99d0ee;
$custom-dark: #000000;

JSON

{
  "hex": "#63bce7",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 231
  },
  "hsl": {
    "h": 199.545,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.7567,
    "c": 0.10539,
    "h": 231.4
  },
  "luminance": 0.44389
}

Semantic roles & 50–950 ramp

primary

#63BCE7

secondary

#EACBBC

accent

#5010D5

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #63BCE7

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →